UNI-T UT105 Operating Manual page 10

Model UT105: OPERATING MANUAL
Automotive Servicing Safety Guide(3)
5. Check the ignition lead: any breakage of any terminal,
crack on any spark plug or breakage at the insulation
of the ignition lead.
6. Check all the vacuum hoses: any right line, shrinkage,
bend, crack, fracture or damage.
7. Check the leads: any connection of sharp edges,
connection of hot surfaces (such as exhaust manifold),
shrinkage, burn or scratch at the insulation or right line
connection.
8. Check circuit connections: any pin corrosion, bend or
damage, inappropriate connection position or damaged
electrode lead.
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